This blog post explores Kon-Boot 2.3 , a specialized utility designed to bypass Windows authentication for versions 7, 8, and 8.1. What is Kon-Boot 2.3?
The primary advantage is that it does not change the user's password. Once the computer is rebooted without the Kon-Boot media, the original security settings remain intact. Kon-Boot 2.3 -For Windows 7 8 8.1-.zip